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Finding the Third Proportional to 78,963,501 and 170,412,234

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Solution

The third proportional to 78,963,501 and 170,412,234 is: 367,769,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,963,501 : 170,412,234 = 170,412,234 : x
  2. Step 2: Convert to fraction form
    78,963,501/170,412,234 = 170,412,234/x
  3. Step 3: Cross multiply
    78,963,501x = 170,412,234 × 170,412,234
  4. Step 4: Simplify right side
    78,963,501x = 29,040,329,496,870,756
  5. Step 5: Solve for x
    x = 29,040,329,496,870,756/78,963,501
  6. Step 6: Final answer
    x = 367,769,021.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.